Driving stand column and chain driving type photovoltaic tracking system

Abstract

The utility model provides a driving stand column and a chain driving type photovoltaic tracking system, the upper end of the driving stand column is provided with an oblique beam, the other end of the driving stand column is fixed with a foundation or a lower stand column, the bottom of the oblique beam is provided with a guide groove, the guide groove is internally provided with a chain, the driving stand column is provided with a gear box, and the gear box is provided with a gear. At least one driving gear is arranged in the gear box, the input end of the driving gear is connected with the output end of the gear motor, and the gear box is used for driving a chain. The chain is matched with the guide groove, so that the required driving force is smaller than that of a rotary speed reducer, and the reliability is higher; the guide groove with the rigid frame is matched with the gear box, so that the stress of the chain is not concentrated at a certain point and is uniformly dispersed in the guide groove of the rigid frame, and the risk that the chain is broken due to single stress is reduced.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic system technology, specifically to a drive column and chain-driven photovoltaic tracking system. Background Technology

[0002] Currently, photovoltaic tracking systems employ various drive structures, such as rotary gear reducer drives, sprocket drives, push rod drives, and rope drives. Chinese patent CN 116722809A discloses a flexible tracking bracket and photovoltaic power station, which uses a rotary geared motor (rotary drive source 800) as its drive mechanism; however, rotary geared motor drives suffer from high costs. Chinese patent CN 118199494A discloses a load-bearing structure and a flexible tracking bracket system, disclosing both sprocket and push rod drive mechanisms. Sprocket drives require high installation precision and are difficult to install; push rod drives suffer from poor stability after extension. Chinese patent CN 117792246A discloses a flexible tracking bracket system structure and adjustment method, revealing a rope drive mechanism. Rope drive schemes are complex, require a large quantity of materials, are costly, and may also pose a risk of rope slippage.

[0003] Therefore, there is an urgent need to provide a new type of drive. Utility Model Content

[0004] The first objective of this invention is to provide a drive column.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A drive column has an inclined beam at its upper end and is fixed to a foundation or a lower column at its other end. The bottom of the inclined beam has a guide groove, and a chain is installed in the guide groove. The drive column has a gear box containing at least one drive gear. The input end of the drive gear is connected to the output end of a geared motor, and the gear box is used to drive the chain.

[0007] While adopting the above technical solutions, this utility model may also adopt or combine the following technical solutions:

[0008] As a preferred technical solution of this utility model: the gear box is further provided with at least two driven gears, and at least one driven gear is provided on each side of the driving gear. The driven gears on both sides of the driving gear are used to abut the chain against the driving gear.

[0009] As a preferred technical solution of this utility model: the two ends of the chain are fixed on the inclined beam or the end of the guide groove.

[0010] As a preferred technical solution of this utility model, the guide groove is semi-circular.

[0011] As a preferred technical solution of this utility model: a lifting ring is provided on the side of the inclined beam.

[0012] As a preferred technical solution of this utility model: a diagonal brace is provided between the inclined beam and the drive column, one end of the diagonal brace is fixed to the lifting ring by a pin, and the other end is fixed to the bottom of the drive column.

[0013] As a preferred technical solution of this utility model: the two ends of the pin are fixed to the side tie rod.

[0014] As a preferred technical solution of this utility model: the inclined beam has through holes at both ends, and a load-bearing cable is provided in the through holes.

[0015] As a preferred technical solution of this utility model: the load-bearing cable is provided with a photovoltaic module.

[0016] This utility model also provides a flexible chain-driven photovoltaic tracking system, including the drive column as described above.

[0017] This utility model provides a drive column and chain-driven photovoltaic tracking system, which has the following advantages: by using a chain in conjunction with a guide groove, the required driving force is smaller than that of a rotary reducer, resulting in higher reliability; by using a guide groove with a rigid frame and a gear box in conjunction, the force on the chain is not concentrated at a single point, but is evenly distributed in the guide groove of the rigid frame, reducing the risk of the chain breaking due to a single force. Attached Figure Description

[0018] Figure 1 A schematic diagram of the drive column provided by this utility model;

[0019] Figure 2 Top view of the drive column;

[0020] Figure 3 This is a schematic diagram of a sloping beam;

[0021] Figure 4 This is a schematic diagram of the driven gear inside the gearbox;

[0022] Figure 5 This is a schematic diagram of the central column;

[0023] Figure 6 This is a schematic diagram of the chain-driven photovoltaic tracking system of this utility model.

[0024] In the diagram: 1-Drive column; 2-Inclined beam; 3-Guide groove; 4-Chain; 5-Gearbox; 6-Gear motor; 7-Lifting ring; 8-Inclined brace; 9-Pin; 10-Foundation; 11-Side tie rod; 12-Central column; 13-Damper; 21-Through hole. Detailed Implementation

[0025] The present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

[0026] like Figure 1-6 As shown, a drive column 1 has an inclined beam 2 at its upper end and is fixed to a foundation 10 or a lower column at the other end. The bottom of the inclined beam 2 has a guide groove 3, and a chain 4 is provided in the guide groove 3. The drive column 1 has a gear box 5, which contains at least one drive gear. The input end of the drive gear is connected to the output end of the geared motor 6. The gear box 5 is used to drive the chain 4.

[0027] The gearbox 5 also contains at least two driven gears, with at least one driven gear on each side of the driving gear. The driven gears on both sides of the driving gear are used to hold the chain 4 against the driving gear. Of course, in other embodiments, the driven gears can also be attached to the chain 4, and the driven gears can drive the chain 4.

[0028] Both ends of the chain 4 are fixed to the inclined beam 2 or the end of the guide groove 3.

[0029] Guide groove 3 is semi-circular.

[0030] A lifting ring 7 is provided on the side of the inclined beam 2.

[0031] A diagonal brace 8 is provided between the drive column 1 and the inclined beam 2. One end of the diagonal brace 8 is fixed to the lifting ring 7 by a pin 9, and the other end is fixed to the bottom of the drive column 1.

[0032] The two ends of the pin 9 are fixed to the side tie rod 11.

[0033] The inclined beam 2 has through holes 21 at both ends, and load-bearing cables are installed in the through holes 21.

[0034] Photovoltaic modules are installed on the load-bearing cables.

[0035] A chain-driven photovoltaic tracking system includes a drive column as described above.

[0036] The chain-driven photovoltaic tracking system also includes a central column 12, which is set between the driving columns 1, and the number of central columns 12 can be flexibly set as needed.

[0037] The central column 12 is fixed on the foundation 10. The central column 12 is equipped with a damper 13 or a brake. The damper can reduce the rotation speed (vibration speed) of the inclined beam of the central column 12 and play a role in shock absorption. The brake can lock when the inclined beam is stationary, becoming a rigid rod and restricting the rotation of the driven inclined beam.

[0038] Specifically, the above-mentioned chain-driven photovoltaic tracking system is implemented in the following manner:

[0039] The geared motor 6 in the drive column 1 rotates, which drives the chain 4 through the gear box 5, and further causes the inclined beam 2, the load-bearing cable and the photovoltaic module to rotate, so as to achieve different tilt angles of the photovoltaic module;

[0040] When the load-bearing cable rotates, it can drive the inclined beam of the central column 12 to rotate. At this time, if the central column 12 uses a damper 13, the damper 13 will not affect the rotation of the inclined beam of the central column 12 because the rotation speed is slow. If a brake is used, the brake will release the locked state while the inclined beam of the central column 12 is rotating, so that the inclined beam of the central column 12 can rotate normally. When the inclined beam of the central column 12 stops rotating, it will re-enter the locked state.

[0041] The above specific embodiments are used to explain and illustrate the present utility model, and are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made to the present utility model within the spirit and protection scope of the claims shall fall within the protection scope of the present utility model.

Claims

1. A driving column, the upper end of the driving column (1) is provided with a slope beam (2), the other end is fixed with a base (10) or a lower column, characterized in that: The bottom of the inclined beam (2) is provided with a guide groove (3), the guide groove (3) is provided with a chain (4), the driving stand (1) is provided with a gear box (5), the gear box (5) contains at least one driving gear, the input end of the driving gear is connected with the output end of a speed reducer motor (6), and the gear box (5) is used for driving the chain (4).

2. The drive column of claim 1, wherein: The gear box is also provided with at least two driven gears, the two sides of the driving gear are respectively provided with at least one driven gear, and the driven gears on the two sides of the driving gear are used for pressing the chain (4) against the driving gear.

3. The drive column of claim 1, wherein: The chain (4) is fixed at the two ends of the inclined beam (2) or the end of the guide groove (3).

4. The drive column of claim 1, wherein: The guide groove (3) is semicircular.

5. The drive column of claim 1, wherein: The inclined beam (2) is provided with a lifting ring (7) on the side.

6. The drive column according to claim 1 or 5, characterized in that: The inclined beam (2) and the driving stand (1) are provided with a diagonal brace (8), one end of the diagonal brace (8) is fixed with the lifting ring (7) through a pin shaft (9), and the other end is fixed to the bottom of the driving stand (1).

7. The drive column of claim 6, wherein: The pin shaft (9) is fixed with a side pull rod (11) at the two ends.

8. The drive column of claim 1, wherein: The inclined beam (2) is provided with a through hole (21) at the two ends, and the through hole (21) is provided with a load bearing cable.

9. The drive column of claim 8, wherein: The load bearing cable is provided with a photovoltaic module.

10. A chain driven photovoltaic tracking system characterized by: The driving stand comprises the driving stand according to any one of claims 1-9.

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